PB, TB, that's too bad about the Eig book on Capone. It got a decent review in the NYT. I was going to get it but will pass on it now.

Eig was on Book TV this morning (repeat) and the episode will show again later today. It doesn't look like it's available online yet. I missed it but will watch later if possible to see if there are any critical questions or he addresses some of the issues you raised.
Eig on Book TV

"When the snows fall and the white winds blow, the lone wolf dies but the pack survives."
Winter is Coming

Now this is the Law of the Jungle—as old and as true as the sky; And the wolf that shall keep it may prosper, but the wolf that shall break it must die.
As the creeper that girdles the tree-trunk, the Law runneth forward and back; For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.